10/2/50 Amp 12 Volt Battery Charger Jump Engine Starter Car Boat Vehicle Quick Key Specifications/Special Features: With ammeter indicates charging current Battery type switches to set proper charge rate for SLA or deep cycled batteries Charge rate switch to set maximum charging current: 2A trickle charge 10A fast charge: for everyday charging needs 50A engine start: for emergency starting 2 LED indicators: full charge and power on Suitable for 12V Lead-acid battery 2 YEAR WARRANTY